Home / 4,075.14-6,113.12-1,478.28

Finding the Fourth Proportional to 4,075.14, 6,113.12 and 1,478.28

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Solution

The fourth proportional to 4,075.14, 6,113.12 and 1,478.28 is: 2,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.14 : 6,113.12 = 1,478.28 : x
  2. Step 2: Convert to fraction form
    4,075.14/6,113.12 = 1,478.28/x
  3. Step 3: Cross multiply
    4,075.14x = 6,113.12 × 1,478.28
  4. Step 4: Simplify right side
    4,075.14x = 9,036,895.64
  5. Step 5: Solve for x
    x = 9,036,895.64/4,075.14
  6. Step 6: Final answer
    x = 2,217.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.